Installing Above Deck Unit (ADU)
29
5.4.6 Aligning the Antenna to the True North
1. Confirm the red triangle on the bottom of the radome and rotate the antenna to align with middle strut of
base.
Magnetic
North
2. Mark the true north point on the mounting plate by including the declination angle using a True North
indicator. (Refer to “5.4.4 Measuring the North point” on page 26)
Magnetic
North
True North
Align to the
True North
Fix the position and fully
tighten the bolts after aligning
3. Fix the position and fully tighten bolts after aligning the antenna.
WARNING
• Ensure the antenna is mounted within ±1° elevation angle.
• Ensure the antenna is aligned within ±10° degrees of True North.
within ±10°
True North
within ±1°
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